logo Calflora Illustrated Plant List 

Big Basin Redwoods SP
Big Basin Redwoods SP

Santa Cruz County

Martin, 1998  / California State Parks  (1998-01-01)

Record Detail Nearby Surveys What Grows Here?
388 PLANTS
Abronia umbellata ssp. umbellata    Beach sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia umbellata ssp. umbellata
2018 Adam Chasey
Abronia umbellata ssp. umbellata
2011 Neal Kramer
Abronia umbellata ssp. umbellata
2018 Mary Conway

Acacia decurrens    Black wattle,  Green wattle,  Wattle
non-native
Tree

FABACEAE

Acacia decurrens
2010 Michael O'Brien
Acacia decurrens
2003 David A. Tharp
Acacia decurrens
2018 Thomas Reyes

Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum
2019 Ron Vanderhoff
Acer macrophyllum
2018 Ron Vanderhoff
Acer macrophyllum
2018 Julie Kierstead Nelson

native
Tree

SAPINDACEAE

Acer negundo var. californicum
2019 Robert Sweet
Acer negundo var. californicum
2013 Jean Pawek
Acer negundo var. californicum
2018 Hayley Ross

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
2017 Diane Etchison
Achillea millefolium
2018 Gary McDonald
Achillea millefolium
2019 Margot Cunningham

Adenocaulon bicolor    American trailplant,  Trail plant
native
Perennial herb

ASTERACEAE

Adenocaulon bicolor
2008 Keir Morse
Adenocaulon bicolor
2014 John Doyen
Adenocaulon bicolor
2018 Julie Kierstead Nelson

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum
2008 Thomas Stoughton
Adenostoma fasciculatum
2017 Aaron Echols
Adenostoma fasciculatum
2014 Garth Wadsworth

Adiantum aleuticum    Five finger fern,  Five finger maidenhair
native
Fern

PTERIDACEAE

Adiantum aleuticum
2008 Rodney W. Lacey
Adiantum aleuticum
2018 Neal Kramer
Adiantum aleuticum
2019 Matt Berger

Adiantum jordanii    California maidenhair fern
native
Fern

PTERIDACEAE

Adiantum jordanii
2005 George W. Hartwell
Adiantum jordanii
2006 Steve Matson
Adiantum jordanii
2019 Ron Vanderhoff

Aesculus californica    Buckeye,  California buckeye,  California horse chestnut
native
Tree

SAPINDACEAE

Aesculus californica
2006 Christopher L. Christie
Aesculus californica
2018 Joseph Belli
Aesculus californica
2014 Christopher Bronny

Aira caryophyllea    Shiver grass,  Silver hairgrass,  Silvery hairgrass
invasive non-native
Annual grass

POACEAE

Aira caryophyllea
2004 Carol W. Witham
Aira caryophyllea
2009 Keir Morse
Aira caryophyllea
2010 Zoya Akulova

Alnus rubra    Oregon alder,  Red alder
native
Tree, Shrub

BETULACEAE

Alnus rubra
2007 Neal Kramer
Alnus rubra
2014 Zoya Akulova
Alnus rubra
2012 Zoya Akulova

Amelanchier utahensis    Pale leaved serviceberry,  Service berry,  Utah service berry
native
Shrub

ROSACEAE

Amelanchier utahensis
2002 Larry Blakely
Amelanchier utahensis
2006 Steve Matson
Amelanchier utahensis
2018 Chico Hiking Association

Ammophila arenaria    Beachgrass,  European beach grass,  European beachgrass
invasive non-native
Perennial grass

POACEAE

Ammophila arenaria
2009 Neal Kramer
Ammophila arenaria
2015 Zoya Akulova
Ammophila arenaria
2014 Trent M. Draper

Amsinckia menziesii var. intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii var. intermedia
2018 James Gonsman
Amsinckia menziesii var. intermedia
2018 Ken Lunders
Amsinckia menziesii var. intermedia
2014 Diane Etchison

Amsinckia spectabilis    Seaside amsinckia,  Seaside fiddleneck,  Woolly breeches
native
Annual herb

BORAGINACEAE

Amsinckia spectabilis
2003 Lynn Watson
Amsinckia spectabilis
2015 Zoya Akulova
Amsinckia spectabilis
2015 Zoya Akulova

Anagallis arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis
2017 B.J. Dion
Anagallis arvensis
2009 Keir Morse
Anagallis arvensis
2018 stephen rosenthal

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

Anaphalis margaritacea
2018 Rachelle Gray
Anaphalis margaritacea
2014 James Gonsman
Anaphalis margaritacea
2014 James Gonsman

Anemone oregana    Blue windflower,  Oregon anemone,  Western wood anenome
native
Perennial herb

RANUNCULACEAE

Anemone oregana
2008 Keir Morse
Anemone oregana
2008 Keir Morse
Anemone oregana
2019 Cynthia Powell

Anthemis cotula    Dog fennel,  Mayweed, dog fennel,  Stinking chamomile
invasive non-native
Annual herb

ASTERACEAE

Anthemis cotula
2007 Neal Kramer
Anthemis cotula
2019 Dave Beller
Anthemis cotula
2017 Diane Etchison

Anthriscus caucalis    Bur chervil,  Bur chevril
non-native
Annual herb, Vine

APIACEAE

Anthriscus caucalis
2017 Diane Etchison
Anthriscus caucalis
2003 Michael Charters
Anthriscus caucalis
2006 Chris Wagner, SBNF

Antirrhinum kelloggii    Climbing snapdragon,  Kellogg's snapdragon,  Lax snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum kelloggii
2009 Keir Morse
Antirrhinum kelloggii
2018 Joshua Borkowski
Antirrhinum kelloggii
2017 Rebecca Schoenenberger

Antirrhinum multiflorum    Chaparral snapdragon,  Sticky snapdragon,  Withered snapdragon
native
Annual, Perennial herb

PLANTAGINACEAE

Antirrhinum multiflorum
2009 Keir Morse
Antirrhinum multiflorum
2002 Lynn Watson
Antirrhinum multiflorum
2019 Bryant Baker

Aphanes occidentalis    Western lady's mantle
native
Annual, Perennial herb

ROSACEAE

Aphanes occidentalis
2019 Ron Vanderhoff
Aphanes occidentalis
2017 Ron Vanderhoff
Aphanes occidentalis
2009 Keir Morse

Arabis blepharophylla    Coast rock cress
native
Perennial herb

BRASSICACEAE

Arabis blepharophylla
2017 James Gonsman
Arabis blepharophylla
2019 Ken Hickman
Arabis blepharophylla
2016 Scott Yarger

Aralia californica    California spikenard,  Elk's clover,  Elkclover
native
Perennial herb

ARALIACEAE

Aralia californica
2009 Terry Dye
Aralia californica
2009 Neal Kramer
Aralia californica
2015 James Gonsman

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
2008 Neal Kramer
Arbutus menziesii
2008 Keir Morse
Arbutus menziesii
2019 Phyllis Fitzsimons

Arctostaphylos andersonii    Heartleaf manzanita,  Santa cruz manzanita
native
Shrub

ERICACEAE

Arctostaphylos andersonii
2004 Aaron Schusteff
Arctostaphylos andersonii
2004 Aaron Schusteff
Arctostaphylos andersonii
2016 Adam Chasey

Arctostaphylos nummularia    Glossy leaved manzanita,  Glossyleaf manzanita,  Shatterberry
native
Shrub

ERICACEAE

Arctostaphylos nummularia
2006 Steve Matson
Arctostaphylos nummularia
2018 Cynthia Powell
Arctostaphylos nummularia
2018 Cynthia Powell

Arctostaphylos tomentosa ssp. crustacea    Brittle leaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. crustacea
2008 Gary McDonald
Arctostaphylos tomentosa ssp. crustacea
2015 Aaron Schusteff
Arctostaphylos tomentosa ssp. crustacea
2018 James Gonsman

Arnica discoidea    Rayless arnica
native
Perennial herb

ASTERACEAE

Arnica discoidea
2018 Eliezer Margolis
Arnica discoidea
2018 Stacie Wolny
Arnica discoidea
2009 Barry Breckling

Artemisia californica    California sagebrush,  Coast sagebrush,  Coastal sage brush
native
Shrub

ASTERACEAE

Artemisia californica
2019 Diane Etchison
Artemisia californica
2003 Margo Bors
Artemisia californica
2018 James Gonsman

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
2018 Stacie Wolny
Artemisia douglasiana
2017 Alison Sheehey
Artemisia douglasiana
2016 Glen Schneider

Asarum caudatum    Creeping wild ginger,  Longtail wild ginger
native
Perennial herb

ARISTOLOCHIACEAE

Asarum caudatum
2007 Shawn DeCew
Asarum caudatum
2018 Mary Conway
Asarum caudatum
Gerald and Buff Corsi 2009 California Academy of Sciences

Aster chilensis    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Aster chilensis
2018 Stacie Wolny
Aster chilensis
2018 Stacie Wolny
Aster chilensis
2018 Stacie Wolny

Aster radulinus    Roughleaf aster
native
Perennial herb

ASTERACEAE

Aster radulinus
2008 Keir Morse
Aster radulinus
2008 Keir Morse
Aster radulinus
2019 R.A. Chasey

Athyrium filix-femina var. cyclosorum    Common lady fern,  Subarctic lady fern,  Western lady fern
native
Fern

WOODSIACEAE

Athyrium filix-femina var. cyclosorum
2008 Keir Morse
Athyrium filix-femina var. cyclosorum
2015 Barry Breckling
Athyrium filix-femina var. cyclosorum
2018 David popp

Athysanus pusillus    Athysanus,  Common sandweed,  Dwarf athysanus
native
Annual herb

BRASSICACEAE

Athysanus pusillus
2008 Keir Morse
Athysanus pusillus
2019 Adam Chasey
Athysanus pusillus
2018 David popp

Atriplex leucophylla    Beach salt bush,  Beach saltbush,  Sea scale
native
Perennial herb

CHENOPODIACEAE

Atriplex leucophylla
2009 Neal Kramer
Atriplex leucophylla
2009 Zoya Akulova
Atriplex leucophylla
2009 Neal Kramer

Baccharis douglasii    Douglas' baccharis,  Salt marsh baccharis
native
Perennial herb

ASTERACEAE

Baccharis douglasii
2010 Neal Kramer
Baccharis douglasii
2008 Keir Morse
Baccharis douglasii
2008 Zoya Akulova

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
2018 Cynthia Powell
Baccharis pilularis
2019 Talila Golan
Baccharis pilularis
2008 Gary McDonald

Barbarea orthoceras    American rocket,  American wintercress,  Erectpod wintercress
native
Perennial herb

BRASSICACEAE

Barbarea orthoceras
2013 Debra L. Cook
Barbarea orthoceras
2019 Diane Etchison
Barbarea orthoceras
2018 Chico Hiking Association

Berberis nervosa    Cascades oregon grape,  Oregongrape
native
Shrub

BERBERIDACEAE

Berberis nervosa
1995 Saint Mary's College of California
Berberis nervosa
2011 Steve Matson
Berberis nervosa
2011 Jean Pawek

Berberis pinnata ssp. pinnata    California barberry,  Coast barberry,  Shiny leaf barberry
native
Shrub

BERBERIDACEAE

Berberis pinnata ssp. pinnata
2007 Neal Kramer
Berberis pinnata ssp. pinnata
2014 Neal Kramer
Berberis pinnata ssp. pinnata
2013 Robert Sikora

Blechnum spicant    Deer fern
native
Fern

BLECHNACEAE

Blechnum spicant
2009 Neal Kramer
Blechnum spicant
2007 Dr. Mark S. Brunell
Blechnum spicant
2006 Charles E. Jones

Boschniakia strobilacea    California ground-cone
native
Perennial herb (parasitic)

OROBANCHACEAE

Boschniakia strobilacea
2019 David Greenberger
Boschniakia strobilacea
2015 Amy Rapport
Boschniakia strobilacea
2019 Jonathan Lee

Boykinia occidentalis    Brook foam,  Coastal brookfoam,  Western boykinia
native
Perennial herb

SAXIFRAGACEAE

Boykinia occidentalis
2003 Michael Charters
Boykinia occidentalis
2019 Adonis Tate
Boykinia occidentalis
2017 Hunter Breck

Briza maxima    Big quaking grass,  Big quakinggrass,  Rattlesnake grass
invasive non-native
Annual grass

POACEAE

Briza maxima
2018 Bill Schmidt
Briza maxima
2008 Zoya Akulova
Briza maxima
2019 Gary McDonald

native
Perennial herb

THEMIDACEAE

Brodiaea terrestris ssp. terrestris
2004 Carol W. Witham
Brodiaea terrestris ssp. terrestris
2001 Bart and Susan Eisenberg
Brodiaea terrestris ssp. terrestris
2015 John Doyen

Bromus carinatus    California brome grass,  California bromegrass
native
Perennial grass

POACEAE

Bromus carinatus
2015 jamie smith
Bromus carinatus
2011 Ryan Batten
Bromus carinatus
2015 jamie smith

Bromus vulgaris    Columbia brome,  Common brome
native
Annual grass

POACEAE

Bromus vulgaris
2018 Neal Kramer
Bromus vulgaris
2008 Zoya Akulova
Bromus vulgaris
2018 Neal Kramer

Cakile edentula    American searocket,  Sea rocket
non-native
Annual herb

BRASSICACEAE

Cakile edentula
2010 Louis-M. Landry
Cakile edentula
2006 Louis-M. Landry
Cakile edentula
2006 Louis-M. Landry

Cakile maritima    European searocket,  Sea rocket
invasive non-native
Annual herb

BRASSICACEAE

Cakile maritima
2009 Neal Kramer
Cakile maritima
2019 Cynthia Powell
Cakile maritima
2019 Cynthia Powell

Calamagrostis koelerioides    Fire reedgrass
native
Perennial grass

POACEAE

Calamagrostis koelerioides
2002 Dean Wm. Taylor
Calamagrostis koelerioides
2018 Julie Kierstead Nelson
Calamagrostis koelerioides
2006 Steve Matson

Calamagrostis nutkaensis    Pacific reedgrass
native
Perennial grass

POACEAE

Calamagrostis nutkaensis
2008 Eric Wrubel
Calamagrostis nutkaensis
2018 Ken Hickman
Calamagrostis nutkaensis
2012 Aaron E. Sims

Calamagrostis rubescens    Pine grass,  Pinegrass
native
Perennial grass

POACEAE

Calamagrostis rubescens
2009 Zoya Akulova
Calamagrostis rubescens
2008 Steve Matson
Calamagrostis rubescens
2009 Zoya Akulova

Calandrinia breweri    Brewer's calandrinia,  Brewer's redmaids
native
Annual herb

MONTIACEAE

Calandrinia breweri
2018 Neal Kramer
Calandrinia breweri
2019 Michael Mitchell
Calandrinia breweri
2018 Michael Mitchell

Calochortus albus    White fairy lantern,  White globe lily
native
Perennial herb

LILIACEAE

Calochortus albus
2019 David Greenberger
Calochortus albus
2018 Nancy Poss
Calochortus albus
2019 Cynthia Powell

Calochortus tolmiei    Hairy star tulip,  Tolmie star tulip,  Tolmie's star tulip
native
Perennial herb

LILIACEAE

Calochortus tolmiei
2018 Ken Hickman
Calochortus tolmiei
2018 Tina Curiel
Calochortus tolmiei
2019 Cara Wilcox

Calochortus umbellatus    Oakland mariposa lily,  Oakland star tulip
native
Perennial herb (bulb)

LILIACEAE

Calochortus umbellatus
1997 Doreen L. Smith
Calochortus umbellatus
2013 Christopher Gurney
Calochortus umbellatus
2018 Brian Charles

Calypso bulbosa    Fairy slipper,  Fairyslipper orchid
native
Perennial herb

ORCHIDACEAE

Calypso bulbosa
2018 Steve Laymon
Calypso bulbosa
2018 Saskia Raether
Calypso bulbosa
2012 Alan Castner

Calystegia occidentalis ssp. occidentalis    Chaparral false bindweed,  Modoc morning glory,  Western morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia occidentalis ssp. occidentalis
2003 George W. Hartwell
Calystegia occidentalis ssp. occidentalis
2008 Keir Morse
Calystegia occidentalis ssp. occidentalis
2018 Julie Kierstead Nelson

Calystegia soldanella    Beach morning glory,  Beach morningglory
native
Perennial herb

CONVOLVULACEAE

Calystegia soldanella
2018 Saskia Raether
Calystegia soldanella
2008 John Dittes
Calystegia soldanella
2015 Zoya Akulova

Camissonia cheiranthifolia    Beach evening-primrose
native
Perennial herb

ONAGRACEAE

Camissonia cheiranthifolia
2019 Patrick Furtado
Camissonia cheiranthifolia
2019 Ron Vanderhoff
Camissonia cheiranthifolia
2019 Mary Conway

Camissonia hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

Camissonia hirtella
2019 Ron Vanderhoff
Camissonia hirtella
2015 John Doyen
Camissonia hirtella
2019 Ken Hickman

Campanula prenanthoides    California harebell
native
Perennial herb

CAMPANULACEAE

Campanula prenanthoides
2009 Keir Morse
Campanula prenanthoides
2007 Dianne Fristrom
Campanula prenanthoides
2019 Cara Wilcox

Cardamine californica    Bitter cress,  California toothwort, milk maids
native
Perennial herb

BRASSICACEAE

Cardamine californica
2019 Ron Vanderhoff
Cardamine californica
2018 Lynn Sweet
Cardamine californica
2019 Ron Vanderhoff

Cardamine oligosperma    Bitter cress,  Idaho bittercress
native
Annual, Perennial herb

BRASSICACEAE

Cardamine oligosperma
2019 Chico Hiking Association
Cardamine oligosperma
2013 Emily Wong
Cardamine oligosperma
2013 Ron Wolf

Carex deweyana ssp. leptopoda    Slender-footed sedge
native
Perennial grasslike herb

CYPERACEAE

Carex deweyana ssp. leptopoda
2002 Steve Matson
Carex deweyana ssp. leptopoda
2008 Keir Morse
Carex deweyana ssp. leptopoda
2013 Robert Steers/NPS

Carex globosa    Round fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex globosa
2010 Dean W. Taylor, Ph.D
Carex globosa
2014 Steve Matson
Carex globosa
2009 Zoya Akulova

Carex nudata    Dudley's sedge,  Naked sedge,  Torrent sedge
native
Perennial grasslike herb

CYPERACEAE

Carex nudata
2002 Dean Wm. Taylor
Carex nudata
2008 Keir Morse
Carex nudata
2004 Julie Kierstead Nelson

Carex obnupta    Coast carex,  Slough sedge
native
Perennial grasslike herb

CYPERACEAE

Carex obnupta
2007 Neal Kramer
Carex obnupta
2008 Keir Morse
Carex obnupta
2014 Zoya Akulova

Carex vesicaria var. major    Western inflated sedge
native
Perennial grasslike herb

CYPERACEAE

Carex vesicaria var. major
2015 Dana York
Carex vesicaria var. major
2003 Steve Matson
Carex vesicaria var. major
2003 Steve Matson

Castilleja affinis ssp. affinis    Coast indian paintbrush,  Wight's indian paint brush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis ssp. affinis
2017 James Gonsman
Castilleja affinis ssp. affinis
2018 Ron Vanderhoff
Castilleja affinis ssp. affinis
2006 Steve Matson

Castilleja densiflora ssp. densiflora    Dense flower owl's clover,  Denseflower indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja densiflora ssp. densiflora
2018 Hayley Ross
Castilleja densiflora ssp. densiflora
2014 James Gonsman
Castilleja densiflora ssp. densiflora
2015 James Gonsman

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja foliolosa
2019 Ron Vanderhoff
Castilleja foliolosa
2019 Diane Etchison
Castilleja foliolosa
2019 Diane Etchison

Castilleja latifolia    Monterey indian paintbrush,  Seaside paintbrush
native
Perennial herb (hemiparasitic)

OROBANCHACEAE

Castilleja latifolia
2009 Keir Morse
Castilleja latifolia
2007 Aaron Schusteff
Castilleja latifolia
2019 Mary Conway

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. cuneatus
2007 Neal Kramer
Ceanothus cuneatus var. cuneatus
2009 Neal Kramer
Ceanothus cuneatus var. cuneatus
2016 John Doyen

Ceanothus incanus    Coast whitethorn
native
Shrub

RHAMNACEAE

Ceanothus incanus
2018 Aaron Arthur
Ceanothus incanus
2012 Jake Ruygt
Ceanothus incanus
2018 Aaron Arthur

Ceanothus papillosus var. papillosus    Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus var. papillosus
2009 Neal Kramer
Ceanothus papillosus var. papillosus
2009 Neal Kramer

Ceanothus thyrsiflorus    Blueblossom
native
Tree, Shrub

RHAMNACEAE

Ceanothus thyrsiflorus
2008 Gary McDonald
Ceanothus thyrsiflorus
2017 James Gonsman
Ceanothus thyrsiflorus
2015 Chris Jaster

Centaurea melitensis    Maltese star thistle,  Napa star thistle,  Tocalote
invasive non-native
Annual herb

ASTERACEAE

Centaurea melitensis
2019 Ron Vanderhoff
Centaurea melitensis
2019 Arlee Montalvo
Centaurea melitensis
2012 Gary McDonald

Cephalanthera austiniae    Phantom orchid
native
Perennial herb

ORCHIDACEAE

Cephalanthera austiniae
2019 Chandler Dolan
Cephalanthera austiniae
2018 Leah Gardner
Cephalanthera austiniae
2012 Kim Cabrera

Cerastium glomeratum    Large mouse ears,  Mouseear chickweed,  Sticky chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Cerastium glomeratum
2019 Diane Etchison
Cerastium glomeratum
2015 Chris Jaster
Cerastium glomeratum
2009 Barry Breckling

Cercocarpus betuloides var. betuloides    Birch leaf mountain mahogany
native
Tree, Shrub

ROSACEAE

Cercocarpus betuloides var. betuloides
2019 Ron Vanderhoff
Cercocarpus betuloides var. betuloides
2012 Gary McDonald
Cercocarpus betuloides var. betuloides
2019 Ron Vanderhoff

Chlorogalum pomeridianum    Amole,  Soap plant,  Soaproot
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum
2019 Patrick Furtado
Chlorogalum pomeridianum
2018 Karen Scheuermann
Chlorogalum pomeridianum
2019 Diane Etchison

Chorizanthe diffusa    Diffuse spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe diffusa
2018 ken Hickan
Chorizanthe diffusa
2014 David Wolfson
Chorizanthe diffusa
Aaron Schusteff 2005

Chorizanthe pungens    Monterey spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe pungens
2009 Neal Kramer
Chorizanthe pungens
2009 Neal Kramer
Chorizanthe pungens
2011 Zoya Akulova

Chrysolepis chrysophylla var. minor    Bush chinquapin,  Giant chinquapin
native
Tree, Shrub

FAGACEAE

Chrysolepis chrysophylla var. minor
2009 Neal Kramer
Chrysolepis chrysophylla var. minor
2017 Zachariah Jordan
Chrysolepis chrysophylla var. minor
2010 Neal Kramer

Cirsium arvense    Canada thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium arvense
2008 Keir Morse
Cirsium arvense
2018 Joel Trumbo
Cirsium arvense
2007 Luigi Rignanese

Cirsium occidentale var. venustum    Cobwebby thistle,  Coulter's thistle,  Red thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. venustum
2004 David A. Tharp
Cirsium occidentale var. venustum
2010 James M. Andre
Cirsium occidentale var. venustum
2017 Adam Chasey

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
2005 Christopher L. Christie
Cirsium vulgare
2016 Erik Larsen
Cirsium vulgare
2019 Gustavo Vasquez

Clarkia amoena ssp. amoena    Farewell to spring
native
Annual herb

ONAGRACEAE

Clarkia amoena ssp. amoena
2001 Jeff Abbas
Clarkia amoena ssp. amoena
2012 Vernon Smith
Clarkia amoena ssp. amoena
2001 Jeff Abbas

Clarkia unguiculata    Elegant clarkia,  Mountain garland,  Woodland clarkia
native
Annual herb

ONAGRACEAE

Clarkia unguiculata
2019 David Greenberger
Clarkia unguiculata
2015 Larry Cooperman
Clarkia unguiculata
2019 Bryant Baker

Claytonia perfoliata    Miner s lettuce,  Miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata
2015 Steven M Norris
Claytonia perfoliata
2007 Neal Kramer
Claytonia perfoliata
2019 Ron Vanderhoff

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
2018 Stacie Wolny
Clematis lasiantha
2019 Matt Berger
Clematis lasiantha
2016 Anna Wolfe

Clintonia andrewsiana    Andrew's clintonia,  Blue bead lily,  Red clintonia
native
Perennial herb

LILIACEAE

Clintonia andrewsiana
2018 Saskia Raether
Clintonia andrewsiana
2013 Janet Herringshaw
Clintonia andrewsiana
2013 Janet Herringshaw

Collinsia multicolor    San Francisco blue eyed mary,  San Francisco collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia multicolor
2008 Aaron Schusteff
Collinsia multicolor
2019 Ken Hickman
Collinsia multicolor
2018 Barry Thomson

Collomia heterophylla    Variableleaf collomia,  Varied leaved collomia
native
Annual herb

POLEMONIACEAE

Collomia heterophylla
2019 Mary Conway
Collomia heterophylla
2018 Stacie Wolny
Collomia heterophylla
2019 Mary Conway

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
2008 Keir Morse
Conium maculatum
2016 Cynthia Powell
Conium maculatum
2019 Ron Vanderhoff

Corallorrhiza maculata    Spotted coralroot,  Summer coral root,  Summer coralroot
native
Perennial herb

ORCHIDACEAE

Corallorrhiza maculata
2010 Dee E. Warenycia
Corallorrhiza maculata
2019 Cynthia Powell
Corallorrhiza maculata
2019 Talila Golan

Corallorrhiza striata    Hooded coralroot,  Striped coral root
native
Perennial herb

ORCHIDACEAE

Corallorrhiza striata
2019 Timothy Boomer
Corallorrhiza striata
2018 Timothy Boomer
Corallorrhiza striata
2005 Dianne Fristrom

Cordylanthus rigidus ssp. rigidus    Rigid bird's beak,  Stiffbranch bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus rigidus ssp. rigidus
2009 Keir Morse
Cordylanthus rigidus ssp. rigidus
2013 Neal Kramer
Cordylanthus rigidus ssp. rigidus
2019 R.A. Chasey

Cornus sericea ssp. sericea    American dogwood,  Creek dogwood,  Red osier dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. sericea
2012 Julie Kierstead Nelson
Cornus sericea ssp. sericea
2006 Richard Spjut
Cornus sericea ssp. sericea
2019 Chico Hiking Association

Corylus cornuta var. californica    Beaked hazelnut
native
Shrub

BETULACEAE

Corylus cornuta var. californica
2009 Keir Morse
Corylus cornuta var. californica
2015 John Malpas
Corylus cornuta var. californica
2019 Belinda Lo

Cotula australis    Australian brass buttons,  Australian cotula,  Australian waterbuttons
non-native
Annual herb

ASTERACEAE

Cotula australis
2011 Neal Kramer
Cotula australis
2011 Neal Kramer
Cotula australis
2011 Zoya Akulova

Cotula coronopifolia    Brass buttons,  Common brassbuttons
invasive non-native
Perennial herb

ASTERACEAE

Cotula coronopifolia
2016 Chris Leslie
Cotula coronopifolia
2018 Cynthia Powell
Cotula coronopifolia
2018 Bill Schmidt

Crassula connata    Pigmy weed,  Sand pygmy weed,  Sand pygmyweed
native
Annual herb

CRASSULACEAE

Crassula connata
2019 Adam Chasey
Crassula connata
2019 Ron Vanderhoff
Crassula connata
2019 Ron Vanderhoff

Cryptantha clevelandii    Cleveland's cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii
2019 Ron Vanderhoff
Cryptantha clevelandii
2019 Diane Etchison
Cryptantha clevelandii
2019 Diane Etchison

Cryptantha micromeres    Minute flowered cryptantha,  Pygmyflower cryptantha,  Small flowered cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha micromeres
2009 Neal Kramer
Cryptantha micromeres
2011 Steve Matson
Cryptantha micromeres
2009 Neal Kramer

Cryptantha muricata    Pointed cryptantha,  Prickly cryptantha,  Prickly popcorn flower
native
Annual herb

BORAGINACEAE

Cryptantha muricata
2015 Chris Jaster
Cryptantha muricata
2008 Chris Winchell
Cryptantha muricata
2008 Keir Morse

Cupressus abramsiana    Santa cruz cypress
native
Tree

CUPRESSACEAE

Cupressus abramsiana
2008 Matt Teel
Cupressus abramsiana
2008 Matt Teel
Cupressus abramsiana
2012 Neal Kramer

Cuscuta subinclusa    Canyon dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta subinclusa
2008 Neal Kramer
Cuscuta subinclusa
2003 Michelle Cloud-Hughes
Cuscuta subinclusa
2017 Trevor Schalla

Cynoglossum grande    Grand hound's tongue,  Pacific hound's tongue,  Western houndstongue
native
Perennial herb

BORAGINACEAE

Cynoglossum grande
2019 Eliezer Margolis
Cynoglossum grande
2018 James Gonsman
Cynoglossum grande
2019 Parker Santiago

Cystopteris fragilis    Bladder fern,  Brittle bladder fern,  Brittle fern
native
Fern

WOODSIACEAE

Cystopteris fragilis
2005 Steve Matson
Cystopteris fragilis
2006 Steve Matson
Cystopteris fragilis
2013 Trent M. Draper

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
2019 Diane Etchison
Daucus pusillus
2014 Gary McDonald
Daucus pusillus
2014 Gary McDonald

Delphinium nudicaule    Canyon larkspur,  Red larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium nudicaule
2018 Ken Lunders
Delphinium nudicaule
2014 Stephen Rosenthal
Delphinium nudicaule
2019 Stacie Wolny

Dendromecon rigida    Bush poppy,  Tree poppy
native
Shrub

PAPAVERACEAE

Dendromecon rigida
2019 Eliezer Margolis
Dendromecon rigida
2018 Hunter Breck
Dendromecon rigida
2019 Amy Rapport

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

Deschampsia danthonioides
2004 Carol W. Witham
Deschampsia danthonioides
2007 Carol W. Witham
Deschampsia danthonioides
2008 Keir Morse

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

Deschampsia elongata
2009 Adonis (Don) Tate
Deschampsia elongata
2008 Keir Morse
Deschampsia elongata
2008 Keir Morse

Dicentra formosa    Pacific bleeding heart,  Pacific bleedinghearts
native
Perennial herb

PAPAVERACEAE

Dicentra formosa
2018 Chico Hiking Association
Dicentra formosa
2018 Matt Berger
Dicentra formosa
2003 Christopher L. Christie

Digitalis purpurea    Purple foxglove
invasive non-native
Perennial herb

PLANTAGINACEAE

Digitalis purpurea
2009 John W. Wall
Digitalis purpurea
2014 Zoya Akulova
Digitalis purpurea
2007 Pasi Rein

Disporum hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Disporum hookeri
2016 Ray Gill
Disporum hookeri
2018 Stacie Wolny
Disporum hookeri
2018 Ken Lunders

Distichlis spicata    Inland saltgrass,  Salt grass,  Saltgrass
native
Perennial grass

POACEAE

Distichlis spicata
2019 Ron Vanderhoff
Distichlis spicata
2019 Ron Vanderhoff
Distichlis spicata
2005 Steve Matson

Dodecatheon hendersonii    Mosquito bill
native
Perennial herb

PRIMULACEAE

Dodecatheon hendersonii
2019 Patrick Furtado
Dodecatheon hendersonii
2017 John Game
Dodecatheon hendersonii
2008 Keir Morse

Dryopteris arguta    California wood fern,  Coastal wood fern,  Shield fern
native
Fern

DRYOPTERIDACEAE

Dryopteris arguta
2004 Brent Miller
Dryopteris arguta
2012 Michael Perlmutter
Dryopteris arguta
2007 Neal Kramer

Dudleya cymosa    Canyon dudleya,  Canyon liveforever,  Rock lettuce
native
Perennial herb

CRASSULACEAE

Dudleya cymosa
2019 Paul Aigner
Dudleya cymosa
2018 Elinor Gates
Dudleya cymosa
2019 Janith Johnson

Dudleya farinosa    Bluff lettuce,  North coast dudleya,  Powdery liveforever
native
Perennial herb

CRASSULACEAE

Dudleya farinosa
2019 Amy Rapport
Dudleya farinosa
2019 Patrick Furtado
Dudleya farinosa
2017 John Doyen

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

Elymus glaucus
2009 Keir Morse
Elymus glaucus
2005 Brianna M. Richardson
Elymus glaucus
2009 Keir Morse

Emmenanthe penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

BORAGINACEAE

Emmenanthe penduliflora
2019 Ron Vanderhoff
Emmenanthe penduliflora
2019 Ron Vanderhoff
Emmenanthe penduliflora
2018 Ron Vanderhoff

Epilobium canum    California fuchsia,  Hummingbird trumpet,  zauschneria
native
Perennial herb

ONAGRACEAE

Epilobium canum
2018 Ron Vanderhoff
Epilobium canum
2015 Gerald Carr
Epilobium canum
2014 Richard Chasey

Epilobium ciliatum ssp. ciliatum    Fringed willowherb,  Northern willow herb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. ciliatum
2017 Gary McDonald
Epilobium ciliatum ssp. ciliatum
2019 Ron Vanderhoff
Epilobium ciliatum ssp. ciliatum
2019 Gary McDonald

Epilobium ciliatum ssp. watsonii    Fringed willowherb,  Watson's willowherb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. watsonii
2007 Neal Kramer
Epilobium ciliatum ssp. watsonii
2019 Patrick Furtado
Epilobium ciliatum ssp. watsonii
2011 Dylan Neubauer

Epilobium minutum    Chaparral willowherb,  Desert willow herb,  Little willowherb
native
Annual herb

ONAGRACEAE

Epilobium minutum
2009 Keir Morse
Epilobium minutum
2019 Julian Geoghegan
Epilobium minutum
2015 Chris Jaster

Epipactis helleborine    Broadleaf helleborine
non-native
Perennial herb

ORCHIDACEAE

Epipactis helleborine
2019 Mary Gerbic
Epipactis helleborine
2019 Julian Geoghegan
Epipactis helleborine
2019 Janice Kuch

Equisetum arvense    Common horsetail rush,  Common horsetail, field horsetail,  Field horsetail
native
Fern

EQUISETACEAE

Equisetum arvense
2006 Robert Sivinski
Equisetum arvense
2012 Neal Kramer
Equisetum arvense
2008 Dr. Amadej Trnkoczy

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine
2008 Keir Morse
Equisetum hyemale ssp. affine
2012 Neal Kramer
Equisetum hyemale ssp. affine
2008 Neal Kramer

Equisetum telmateia ssp. braunii    Giant horse tail,  Giant horsetail
native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii
2008 Zoya Akulova
Equisetum telmateia ssp. braunii
2008 Neal Kramer
Equisetum telmateia ssp. braunii
2015 Ron Vanderhoff

Erechtites minima    Coastal burnweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Erechtites minima
2008 Zoya Akulova
Erechtites minima
2019 Michelle Forys
Erechtites minima
2008 Jorg Fleige

Eremocarpus setigerus    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Eremocarpus setigerus
2018 Rachelle Gray
Eremocarpus setigerus
2019 Robin Street-Morris
Eremocarpus setigerus
2014 Richard Chasey

Ericameria arborescens    Golden fleece,  Goldenfleece
native
Shrub

ASTERACEAE

Ericameria arborescens
2015 Hayley Ross
Ericameria arborescens
2015 Hayley Ross
Ericameria arborescens
2015 Debra L. Cook

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

Erigeron glaucus
2018 Saskia Raether
Erigeron glaucus
2018 Bill Schmidt
Erigeron glaucus
2018 Asa B Spade

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

BORAGINACEAE

Eriodictyon californicum
2011 John W. Wall
Eriodictyon californicum
2009 Gary A. Monroe
Eriodictyon californicum
2018 Chico Hiking Association

Eriogonum latifolium    Coast buckwheat,  Coast eriogonum,  Seaside buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum latifolium
2017 Adam Chasey
Eriogonum latifolium
2014 James Gonsman
Eriogonum latifolium
2015 Ralph Gibson

Eriophyllum confertiflorum var. confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
2019 Mary Conway
Eriophyllum confertiflorum var. confertiflorum
2019 Mary Conway

Eriophyllum staechadifolium    Lizard tail,  Seaside golden yarrow,  Seaside woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum staechadifolium
2013 James Gonsman
Eriophyllum staechadifolium
2016 Andrew Longman
Eriophyllum staechadifolium
2019 Mary Conway

Erodium botrys    Big heron bill,  Broad leaf filaree,  Long beaked filaree
non-native
Annual herb

GERANIACEAE

Erodium botrys
2014 Bryan Derr
Erodium botrys
2012 Neal Kramer
Erodium botrys
2014 Keir Morse

Erysimum franciscanum    Franciscan wallflower,  San francisco wallflower
native
Perennial herb

BRASSICACEAE

Erysimum franciscanum
2018 Ken Lunders
Erysimum franciscanum
2019 Patrick Furtado
Erysimum franciscanum
2018 Brian Charles

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica
2014 Zoya Akulova
Eschscholzia californica
2019 Cynthia Powell
Eschscholzia californica
2009 Barry Rice

Euonymus occidentalis var. occidentalis    Western burning bush
native
Tree, Shrub

CELASTRACEAE

Euonymus occidentalis var. occidentalis
2002 Brad Kelley
Euonymus occidentalis var. occidentalis
2014 Robert Sikora
Euonymus occidentalis var. occidentalis
2006 Dean Wm. Taylor

Euthamia occidentalis    Western flat topped goldenrod,  Western goldenrod,  Western goldentop
native
Perennial herb

ASTERACEAE

Euthamia occidentalis
2012 Ron Vanderhoff
Euthamia occidentalis
2018 Ron Vanderhoff
Euthamia occidentalis
2008 Jennifer Buck

Festuca californica    California fescue
native
Perennial grass

POACEAE

Festuca californica
2019 Justin Luong
Festuca californica
2008 Keir Morse
Festuca californica
2012 Aaron Arthur

Festuca occidentalis    Western fescue
native
Perennial grass

POACEAE

Festuca occidentalis
2008 Keir Morse
Festuca occidentalis
2011 Steve Matson
Festuca occidentalis
2011 Steve Matson

Filago californica    California cottonrose
native
Annual herb

ASTERACEAE

Filago californica
2017 Robert Steers
Filago californica
2019 Matt Berger
Filago californica
2015 Diane Etchison

Fragaria chiloensis    Beach strawberry
native
Perennial herb

ROSACEAE

Fragaria chiloensis
2016 Teresa R Spade, AICP
Fragaria chiloensis
2018 Adam Chasey
Fragaria chiloensis
2019 Patrick Furtado

Fragaria vesca    California strawberry,  Wild strawberry,  Wood strawberry
native
Perennial herb

ROSACEAE

Fragaria vesca
2009 Barry Breckling
Fragaria vesca
2017 Diane Etchison
Fragaria vesca
2019 Mary Conway

Fremontodendro californicum ssp. californicum   


Fritillaria affinis var. affinis    Checker lily,  Mission bells
native
Perennial herb (bulb)

LILIACEAE

Fritillaria affinis var. affinis
2017 Stephen Rosenthal
Fritillaria affinis var. affinis
2005 Doreen L. Smith
Fritillaria affinis var. affinis
2018 Saskia Raether

Galium aparine    Cleavers,  Common bedstraw,  Goose grass
native
Annual herb

RUBIACEAE

Galium aparine
2008 Gary McDonald
Galium aparine
2004 Carol W. Witham
Galium aparine
2002 Lynn Watson

Galium californicum ssp. californicum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. californicum
2013 John Doyen
Galium californicum ssp. californicum
2009 Barry Breckling
Galium californicum ssp. californicum
2015 James Gonsman

Galium porrigens    Climbing bedstraw,  Graceful bedstraw,  Nuttall's bedstraw
native
Vine, Shrub

RUBIACEAE

Galium porrigens
2002 Tony Morosco
Galium porrigens
2013 Keir Morse
Galium porrigens
2009 Margo Bors

Galium triflorum    Fragrant bedstraw,  Sweet bedstraw,  Sweet scented bedstraw
native
Annual herb

RUBIACEAE

Galium triflorum
2009 Keir Morse
Galium triflorum
2010 Barry Breckling
Galium triflorum
2013 Jean Pawek

Garrya elliptica    Coast silk tassel,  Coast silktassel,  Silk tassel bush or quinine bush
native
Tree, Shrub

GARRYACEAE

Garrya elliptica
2009 Aaron Schusteff
Garrya elliptica
2007 Neal Kramer
Garrya elliptica
2014 Neal Kramer

Gastridium ventricosum    Nit grass
non-native
Annual grass

POACEAE

Gastridium ventricosum
2009 Neal Kramer
Gastridium ventricosum
2009 Zoya Akulova
Gastridium ventricosum
2017 Gary McDonald

Gaultheria shallon    Salal
native
Shrub

ERICACEAE

Gaultheria shallon
2018 Abbot Chambers
Gaultheria shallon
2018 Saskia Raether
Gaultheria shallon
2010 Zoya Akulova

Geranium dissectum    Cranesbill,  Cut leaved geranium,  Cutleaf geranium
invasive non-native
Annual herb

GERANIACEAE

Geranium dissectum
2003 Lynn Watson
Geranium dissectum
2015 Chris Jaster
Geranium dissectum
2019 Randy Huey

Gilia clivorum    Many stemmed gilia,  Purple spot gilia,  Purplespot gilia
native
Annual herb

POLEMONIACEAE

Gilia clivorum
2019 Ken Hickman
Gilia clivorum
2013 Gary McDonald
Gilia clivorum
2013 Gary McDonald

Githopsis specularioides    Common bluecup,  Venus' looking glass
native
Annual herb

CAMPANULACEAE

Githopsis specularioides
2016 David popp
Githopsis specularioides
2011 Steven Perry
Githopsis specularioides
2018 John Game

Gnaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Gnaphalium stramineum
2017 Diane Etchison
Gnaphalium stramineum
2019 Patrick Furtado
Gnaphalium stramineum
2018 Cynthia Powell

Goodyera oblongifolia    Rattlesnake plantain,  Western rattlesnake plantain
native
Perennial herb

ORCHIDACEAE

Goodyera oblongifolia
2006 Louis-M. Landry
Goodyera oblongifolia
2008 Steve Matson
Goodyera oblongifolia
2017 Chris Friedel

Grindelia stricta var. angustifolia    Marsh gumplant,  Oregon gumweed
native
Perennial herb

ASTERACEAE

Grindelia stricta var. angustifolia
2019 Jennifer Mo
Grindelia stricta var. angustifolia
2014 James Gonsman
Grindelia stricta var. angustifolia
2013 Robert Sikora

Guillenia lasiophylla    California mustard
native
Annual herb

BRASSICACEAE

Guillenia lasiophylla
2018 Gary McDonald
Guillenia lasiophylla
2018 Gary McDonald
Guillenia lasiophylla
2019 Marisa Persaud

Helianthemum scoparium    Peak Rushrose
native
Shrub

CISTACEAE

Helianthemum scoparium
2018 Debra L. Cook
Helianthemum scoparium
2018 Vernon Smith
Helianthemum scoparium
2018 Debra L. Cook

Hemitomes congestum    Coneplant,  Gnome plant
native
Perennial herb (mycoparasitic)

ERICACEAE

Hemitomes congestum
2018 Saskia Raether
Hemitomes congestum
2011 Ryan Batten
Hemitomes congestum
2006 Charles E. Jones

Hemizonia corymbosa    Coastal tarweed
native
Annual herb

ASTERACEAE

Hemizonia corymbosa
2015 Tim Miller
Hemizonia corymbosa
2007 Neal Kramer
Hemizonia corymbosa
2011 Thomas Reyes

Heracleum lanatum    Common cowparsnip
native
Perennial herb

APIACEAE

Heracleum lanatum
2008 Neal Kramer
Heracleum lanatum
2018 Julie Kierstead Nelson
Heracleum lanatum
2018 Julie Kierstead Nelson

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

Heteromeles arbutifolia
2017 Gary McDonald
Heteromeles arbutifolia
2017 Gary McDonald
Heteromeles arbutifolia
2004 George W. Hartwell

Heterotheca sessiliflora ssp. echioides    Bristly goldenaster,  Sessileflower false goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca sessiliflora ssp. echioides
2008 Keir Morse
Heterotheca sessiliflora ssp. echioides
2008 Keir Morse
Heterotheca sessiliflora ssp. echioides
2005 Michael Charters

Heuchera micrantha    Alum root,  Crevice alumroot
native
Perennial herb

SAXIFRAGACEAE

Heuchera micrantha
2013 Debra L. Cook
Heuchera micrantha
2008 Steve Matson
Heuchera micrantha
2018 Alexandra Kookootsedes

Hieracium albiflorum    White flowered hawkweed,  White hawkweed
native
Perennial herb

ASTERACEAE

Hieracium albiflorum
2008 Keir Morse
Hieracium albiflorum
2003 Steve Matson
Hieracium albiflorum
2018 MCOSD EDRR

Hierochloe occidentalis    Califonria sweet grass,  Vanilla grass
native
Perennial grass

POACEAE

Hierochloe occidentalis
2010 Neal Kramer
Hierochloe occidentalis
2018 Hayley Ross
Hierochloe occidentalis
2010 Chris Wagner

Hoita orbicularis    Creeping leather root,  Round leaved psoralea,  Roundleaf leather root
native
Perennial herb

FABACEAE

Hoita orbicularis
2011 Barry Breckling
Hoita orbicularis
2012 Jean Pawek
Hoita orbicularis
2011 Barry Breckling

Holcus lanatus    Common velvetgrass,  Velvet grass,  Velvetgrass
invasive non-native
Perennial grass

POACEAE

Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley

Holodiscus discolor    Cream bush,  Ocean spray,  Oceanspray
native
Shrub

ROSACEAE

Holodiscus discolor
2013 Margo Bors
Holodiscus discolor
2007 Neal Kramer
Holodiscus discolor
2018 Ron Vanderhoff

Hypochaeris glabra    Smooth cat's ear
invasive non-native
Annual herb

ASTERACEAE

Hypochaeris glabra
2005 Steve Matson
Hypochaeris glabra
2005 Steve Matson
Hypochaeris glabra
2005 Steve Matson

Iris douglasiana    Douglas iris,  Douglas' iris
native
Perennial herb

IRIDACEAE

Iris douglasiana
2019 Adam Chasey
Iris douglasiana
2018 Florence van Geem
Iris douglasiana
2018 Mary Conway

Iris macrosiphon    Bowltube iris,  Ground iris,  Long tubed iris
native
Perennial herb

IRIDACEAE

Iris macrosiphon
Gerald and Buff Corsi 2009 California Academy of Sciences
Iris macrosiphon
2018 Julie Kierstead Nelson
Iris macrosiphon
2018 Mary Conway

Isopyrum occidentale    Western false rue anemone
native
Perennial herb

RANUNCULACEAE

Isopyrum occidentale
2004 Steve Matson
Isopyrum occidentale
2009 Barry Breckling
Isopyrum occidentale
2019 Barbara Brydolf

Juncus bufonius    Common toad rush,  Toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius
2019 Ron Vanderhoff
Juncus bufonius
2019 Ron Vanderhoff
Juncus bufonius
2004 James M. Andre

Juncus lesueurii    Dune rush
native
Perennial grasslike herb

JUNCACEAE

Juncus lesueurii
2007 Neal Kramer
Juncus lesueurii
2004 Steve Matson
Juncus lesueurii
2004 Steve Matson

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
2008 Neal Kramer
Juncus patens
2014 Mike Wood
Juncus patens
2007 Neal Kramer

Juncus xiphioides    Iris leaved rush,  Irisleaf rush
native
Perennial grasslike herb

JUNCACEAE

Juncus xiphioides
2016 Erik Larsen
Juncus xiphioides
2017 Ron Vanderhoff
Juncus xiphioides
2017 Ron Vanderhoff

Keckiella corymbosa    Red beardtongue,  Redwood keckiella
native
Shrub

PLANTAGINACEAE

Keckiella corymbosa
2008 Neal Kramer
Keckiella corymbosa
2015 Robert Steers
Keckiella corymbosa
2012 Aaron Arthur

Lasthenia californica    California goldfields,  Common goldfields,  Valley goldfields
native
Annual herb

ASTERACEAE

Lasthenia californica
1998 Larry Blakely
Lasthenia californica
2012 Jean Pawek
Lasthenia californica
2008 Keir Morse

Lathyrus odoratus    Common sweet pea,  Garden sweet pea,  Sweetpea
non-native
Annual herb

FABACEAE

Lathyrus odoratus
2013 Jake Ruygt
Lathyrus odoratus
2017 danielle noe
Lathyrus odoratus
1995 Saint Mary's College of California

Lathyrus torreyi    Redwood pea,  Torrey's pea
native
Perennial herb

FABACEAE

Lathyrus torreyi
2018 Hayley Ross
Lathyrus torreyi
2018 Hayley Ross
Lathyrus torreyi
2008 Jorg Fleige

Lathyrus vestitus var. vestitus    Common pacific pea,  Hillside pea,  Wild sweetpea
native
Perennial herb

FABACEAE

Lathyrus vestitus var. vestitus
2018 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2019 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2015 Chris Jaster

Lepechinia calycina    White pitcher sage,  Woodbalm, pitcher sage
native
Shrub

LAMIACEAE

Lepechinia calycina
2019 Stacie Wolny
Lepechinia calycina
2019 Stacie Wolny
Lepechinia calycina
2019 David popp

Leymus mollis ssp. mollis    American dune grass, sea lyme grass
native
Perennial grass

POACEAE

Leymus mollis ssp. mollis
2008 Neal Kramer
Leymus mollis ssp. mollis
2008 Neal Kramer
Leymus mollis ssp. mollis
2012 Robert Steers/NPS

native
Perennial herb

LILIACEAE

Lilium pardalinum ssp. pardalinum
2014 John Doyen
Lilium pardalinum ssp. pardalinum
2018 Robert Barnard
Lilium pardalinum ssp. pardalinum
2018 Sierra Pacific Industries

Linanthus androsaceus    False babystars
native
Annual herb

POLEMONIACEAE

Linanthus androsaceus
2019 Eliezer Margolis
Linanthus androsaceus
2014 James Gonsman
Linanthus androsaceus
2018 Amy Rapport

native
Annual herb

POLEMONIACEAE

Linanthus pygmaeus ssp. continentalis
2013 Gary McDonald
Linanthus pygmaeus ssp. continentalis
2013 Gary McDonald
Linanthus pygmaeus ssp. continentalis
1993 Dean Wm. Taylor

native
Tree, Shrub

FAGACEAE

Lithocarpus densiflorus var. densiflorus
2007 Neal Kramer
Lithocarpus densiflorus var. densiflorus
2008 Keir Morse
Lithocarpus densiflorus var. densiflorus
2008 Keir Morse

Lithophragma affine    Common woodland star,  San francisco woodland star,  Woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma affine
2019 Ron Vanderhoff
Lithophragma affine
2018 Hector Borjas
Lithophragma affine
2015 Ken Lunders

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum
2007 Neal Kramer
Lithophragma heterophyllum
2014 Neal Kramer
Lithophragma heterophyllum
2018 Gail Johnson

Lomatium dasycarpum ssp. dasycarpum    Woolly fruited lomatium,  Woollyfruit desertparsley
native
Perennial herb

APIACEAE

Lomatium dasycarpum ssp. dasycarpum
2015 Barry Thomson
Lomatium dasycarpum ssp. dasycarpum
2018 MCOSD Vegetation Management
Lomatium dasycarpum ssp. dasycarpum
2018 Gary McDonald

Lomatium macrocarpum    Bigseed biscuitroot,  Large fruited lomatium
native
Perennial herb

APIACEAE

Lomatium macrocarpum
2018 Gary McDonald
Lomatium macrocarpum
2018 Gary McDonald
Lomatium macrocarpum
2018 Chico Hiking Association

Lonicera hispidula var. vacillans    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula var. vacillans
2019 Stacie Wolny
Lonicera hispidula var. vacillans
2018 Eliezer Margolis
Lonicera hispidula var. vacillans
2019 Matt Berger

Lonicera involucrata    Coast twinberry,  Twin berry,  Twinberry honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera involucrata
2010 Aaron Arthur
Lonicera involucrata
2018 Cynthia Powell
Lonicera involucrata
2019 Randy Huey

Lotus crassifolius var. crassifolius    Broad leaved lotus
native
Perennial herb

FABACEAE

Lotus crassifolius var. crassifolius
2008 Keir Morse
Lotus crassifolius var. crassifolius
2006 Christopher L. Christie
Lotus crassifolius var. crassifolius
1993 Arthur H. Bazell, M.D.

Lotus humistratus    Short podded lotus
native
Annual herb

FABACEAE

Lotus humistratus
2008 Keir Morse
Lotus humistratus
2005 Steve Matson
Lotus humistratus
2013 Jean Pawek

Lotus junceus    Rush lotus
native
Perennial herb

FABACEAE

Lotus junceus
2010 Zoya Akulova
Lotus junceus
2016 Neal Kramer
Lotus junceus
2012 Gary A. Monroe

Lotus micranthus    Hill lotus
native
Annual herb

FABACEAE

Lotus micranthus
2019 Chico Hiking Association
Lotus micranthus
2019 Ron Vanderhoff
Lotus micranthus
2019 Chico Hiking Association

Lotus purshianus var. purshianus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Lotus purshianus var. purshianus
2019 Ron Vanderhoff
Lotus purshianus var. purshianus
2019 Matt Berger
Lotus purshianus var. purshianus
2019 Matt Berger

Lotus scoparius    Deerweed
native
Perennial herb

FABACEAE

Lotus scoparius
2019 Diane Etchison
Lotus scoparius
2014 Garth Wadsworth
Lotus scoparius
2011 Vernon Smith

Lotus wrangelianus    Chilean trefoil
native
Annual herb

FABACEAE

Lotus wrangelianus
2018 Gary McDonald
Lotus wrangelianus
2018 Gary McDonald
Lotus wrangelianus
2018 Gary McDonald

Lupinus arboreus    Coastal bush lupine,  Yellow bush lupine
native
Shrub

FABACEAE

Lupinus arboreus
2019 Patrick Furtado
Lupinus arboreus
2013 James Gonsman
Lupinus arboreus
2018 Juergen Blank

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

Lupinus nanus
2019 Phyllis Fitzsimons
Lupinus nanus
2019 Mary Conway
Lupinus nanus
2019 Phyllis Fitzsimons

Luzula comosa    Common wood rush,  Hairy wood rush,  Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula comosa
2019 Matt Berger
Luzula comosa
2012 Alan Castner
Luzula comosa
2003 Steve Matson

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans
2017 Michelle Bosch
Madia elegans
2018 Amy Rapport
Madia elegans
2018 Julian Geoghegan

Madia exigua    Little tarweed,  Meager tarweed,  Small tarweed
native
Annual herb

ASTERACEAE

Madia exigua
2008 Keir Morse
Madia exigua
2013 Vernon Smith
Madia exigua
2015 Neal Kramer

Madia gracilis    Grassy tarweed,  Gumweed madia,  Slender tarweed
native
Annual herb

ASTERACEAE

Madia gracilis
2019 Diane Etchison
Madia gracilis
2019 Diane Etchison
Madia gracilis
2019 Julie Kierstead Nelson

Madia madioides    Woodland madia
native
Perennial herb

ASTERACEAE

Madia madioides
2018 Rebecca Schoenenberger
Madia madioides
2018 MCOSD EDRR
Madia madioides
2009 Neal Kramer

Malacothamnus fasciculatus    Chaparral bush mallow
native
Shrub

MALVACEAE

Malacothamnus fasciculatus
2016 Keir Morse
Malacothamnus fasciculatus
2018 Keir Morse
Malacothamnus fasciculatus
2016 Keir Morse

Malus sylvestris    Paradise apple
non-native
Tree

ROSACEAE

Malus sylvestris
2005 Louis-M. Landry
Malus sylvestris
2005 Louis-M. Landry
Malus sylvestris
2008 Louis-M. Landry

Marah fabaceus    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabaceus
2018 Gary McDonald
Marah fabaceus
2018 Gary McDonald
Marah fabaceus
2018 Gary McDonald

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
2019 Aaron Echols
Marrubium vulgare
2013 Gary McDonald
Marrubium vulgare
2013 Gary McDonald

Meconella californica    California fairypoppy,  California meconella
native
Annual herb

PAPAVERACEAE

Meconella californica
2015 John Doyen
Meconella californica
2013 Aaron Schusteff
Meconella californica
2015 John Doyen

Melica imperfecta    California melic,  Coast range melic,  Small flowered melica
native
Perennial grass

POACEAE

Melica imperfecta
2009 Keir Morse
Melica imperfecta
2014 Steve Matson
Melica imperfecta
2019 Bonnie Nickel

Melica torreyana    Torrey melic,  Torrey's melica,  Torrey's melicgrass
native
Perennial grass

POACEAE

Melica torreyana
2012 Al Keuter
Melica torreyana
2019 John Rawlings
Melica torreyana
2017 MCOSD Restoration Crew

Metasequoia glyptostroboides    Dawn redwood
non-native
Tree

CUPRESSACEAE


Mimulus aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

Mimulus aurantiacus
2019 Gary McDonald
Mimulus aurantiacus
2019 Stacie Wolny
Mimulus aurantiacus
2019 Gary McDonald

Mimulus douglasii    Purple mouse ears
native
Annual herb

PHRYMACEAE

Mimulus douglasii
2018 Chico Hiking Association
Mimulus douglasii
2017 John Rawlings
Mimulus douglasii
2018 Rick Wachs

Mimulus guttatus    Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)

PHRYMACEAE

Mimulus guttatus
2019 Chico Hiking Association
Mimulus guttatus
2019 Stacie Wolny
Mimulus guttatus
2015 James Gonsman

Mimulus moschatus    Musk monkeyflower
native
Perennial herb

PHRYMACEAE

Mimulus moschatus
2009 Keir Morse
Mimulus moschatus
2017 Diane Etchison
Mimulus moschatus
2019 Matt Berger

Minuartia douglasii    Douglas' sandwort,  Douglas' stitchwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia douglasii
2005 Steve Matson
Minuartia douglasii
2015 Barry Thomson
Minuartia douglasii
2009 Vernon Smith

Monardella odoratissima ssp. pallida    Pale mountain monardella,  Pallid mountain monardella
native
Perennial herb

LAMIACEAE

Monardella odoratissima ssp. pallida
2002 George W. Hartwell
Monardella odoratissima ssp. pallida
2014 James Gonsman
Monardella odoratissima ssp. pallida
2019 Susan McDougall

Monardella villosa    Coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa
2019 Patricia Ashe
Monardella villosa
2019 Patrick Furtado
Monardella villosa
2007 Neal Kramer

Montia parvifolia    Littleleaf minerslettuce,  Showy rock montia
native
Perennial herb

MONTIACEAE

Montia parvifolia
2008 Keir Morse
Montia parvifolia
2008 Keir Morse
Montia parvifolia
2018 Adam Chasey

Myrica californica    California wax myrtle
native
Shrub

MYRICACEAE

Myrica californica
2008 Neal Kramer
Myrica californica
2018 Brian Charles
Myrica californica
2014 Zoya Akulova

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

Navarretia atractyloides
2007 Laura Ann Eliassen
Navarretia atractyloides
2019 Diane Etchison
Navarretia atractyloides
2019 Ken Hickman

Navarretia mellita    Honeyscented pincushionplant,  Skunk navarretia
native
Annual herb

POLEMONIACEAE

Navarretia mellita
2017 Neal Kramer
Navarretia mellita
2016 Neal Kramer
Navarretia mellita
2011 Aaron Schusteff

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa
2019 Marisa Persaud
Navarretia squarrosa
2019 Patrick Furtado
Navarretia squarrosa
2007 Neal Kramer

Nemophila parviflora var. parviflora    Small flowered nemophila,  Smallflower nemophila,  Woodland nemophila
native
Annual herb

BORAGINACEAE

Nemophila parviflora var. parviflora
2007 Neal Kramer
Nemophila parviflora var. parviflora
2008 Keir Morse

Nuphar luteum ssp. polysepalum    Indian pond lily,  Rocky mountain pond lily,  Yellow pond lily
native
Perennial herb (aquatic)

NYMPHAEACEAE

Nuphar luteum ssp. polysepalum
2016 mark kircher
Nuphar luteum ssp. polysepalum
2005 Lisa Powers
Nuphar luteum ssp. polysepalum
2016 mark kircher

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

Oemleria cerasiformis
2019 Stacie Wolny
Oemleria cerasiformis
2019 Peter Warner
Oemleria cerasiformis
2009 Dr. Mark S. Brunell

Oenanthe sarmentosa    Pacific oenanthe,  Water parsley
native
Perennial herb

APIACEAE

Oenanthe sarmentosa
2002 Brad Kelley
Oenanthe sarmentosa
2009 Dr. Mark S. Brunell
Oenanthe sarmentosa
2008 Keir Morse

Orobanche bulbosa    Chaparral broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche bulbosa
2019 Diane Etchison
Orobanche bulbosa
2019 Diane Etchison
Orobanche bulbosa
2002 Steve Tyron

Orobanche fasciculata    Clustered broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche fasciculata
2016 Jim Xerogeanes
Orobanche fasciculata
2019 Marisa Persaud
Orobanche fasciculata
2019 Jennifer Poore

Orobanche uniflora    Purple broomrape

Annual herb

OROBANCHACEAE

Orobanche uniflora
2011 Gerald Carr
Orobanche uniflora
2011 Gerald Carr
Orobanche uniflora
2011 Gerald Carr

Osmorhiza chilensis    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza chilensis
2019 Chico Hiking Association
Osmorhiza chilensis
2006 Steve Matson
Osmorhiza chilensis
2013 Chris Wagner

Oxalis oregana    Redwood sorrel
native
Perennial herb

OXALIDACEAE

Oxalis oregana
2012 Aaron Arthur
Oxalis oregana
2018 Timothy Boomer
Oxalis oregana
2018 Mary Conway

Pedicularis densiflora    Warrior's plume,  Indian warrior
native
Perennial herb

OROBANCHACEAE

Pedicularis densiflora
2009 Ron Vanderhoff
Pedicularis densiflora
2019 Eliezer Margolis
Pedicularis densiflora
2019 Bryant Baker

Penstemon rattanii var. kleei    Santa cruz mtns. beardtongue
native
Perennial herb

PLANTAGINACEAE

Penstemon rattanii var. kleei
2012 Dylan Neubauer
Penstemon rattanii var. kleei
2012 Dylan Neubauer
Penstemon rattanii var. kleei
2012 Dylan Neubauer

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis
2019 Ron Vanderhoff
Pentagramma triangularis ssp. triangularis
2008 Keir Morse
Pentagramma triangularis ssp. triangularis
2019 Ron Vanderhoff

Perideridia gairdneri    Gairdner's yampah,  Gardner's yampah
native
Perennial herb

APIACEAE

Perideridia gairdneri
2007 Neal Kramer
Perideridia gairdneri
2004 Bob Huettmann
Perideridia gairdneri
2013 Jake Ruygt

Petasites frigidus var. palmatus    Arctic sweet coltsfoot,  Western coltsfoot
native
Perennial herb

ASTERACEAE

Petasites frigidus var. palmatus
2011 Ron Wolf
Petasites frigidus var. palmatus
2008 Keir Morse
Petasites frigidus var. palmatus
2007 Steve Matson

Phacelia malvifolia    Stinging phacelia
native
Annual herb

BORAGINACEAE

Phacelia malvifolia
2003 Margo Bors
Phacelia malvifolia
2003 Margo Bors
Phacelia malvifolia
2015 Zoya Akulova

Phacelia suaveolens var. suaveolens    Sweet scented phacelia,  Sweetscented phacelia
native
Annual herb

BORAGINACEAE

Phacelia suaveolens var. suaveolens
2009 Genevieve K. Walden
Phacelia suaveolens var. suaveolens
2011 Neal Kramer
Phacelia suaveolens var. suaveolens
2015 Dylan Neubauer

Phoradendron villosum    Mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum
2013 Jorg & Mimi Fleige
Phoradendron villosum
2019 Ron Vanderhoff
Phoradendron villosum
2008 Neal Kramer

Pickeringia montana var. montana    Montana chaparral pea
native
Shrub

FABACEAE

Pickeringia montana var. montana
2018 Adam Chasey
Pickeringia montana var. montana
2015 James Gonsman
Pickeringia montana var. montana
2011 Neal Kramer

Pinus attenuata    Knobcone pine,  Scrub pine
native
Tree

PINACEAE

Pinus attenuata
2008 Keir Morse
Pinus attenuata
2018 Hayley Ross
Pinus attenuata
2009 Ron Vanderhoff

Pinus radiata    Monterey pine
native
Tree

PINACEAE

Pinus radiata
2013 Susan McDougall
Pinus radiata
2008 Neal Kramer
Pinus radiata
2007 Neal Kramer

Piperia candida    White flowered rein orchid,  Whiteflower rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia candida
2019 Peter Warner
Piperia candida
2012 Raymond Prothero
Piperia candida
2010 Aaron Schusteff

Piperia elegans    Coast piperia,  Elegant piperia,  Elegant rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia elegans
2019 Mary Conway
Piperia elegans
2019 John Rawlings
Piperia elegans
2018 Alexandra Kookootsedes

Piperia transversa    Mountain piperia,  Royal rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia transversa
2015 jamie smith
Piperia transversa
2019 Jonathan Lee
Piperia transversa
2018 Ken Hickman

Plagiobothrys chorisianus var. hickmanii    Hickman's popcorn flower,  Hickman's popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys chorisianus var. hickmanii
2019 Diane Renshaw
Plagiobothrys chorisianus var. hickmanii
2019 Aaron Schusteff
Plagiobothrys chorisianus var. hickmanii
2011 Steve Matson

Plagiobothrys collinus var. californicus    California popcorn flower,  Cooper's popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys collinus var. californicus
2005 Steve Matson
Plagiobothrys collinus var. californicus
2019 Ron Vanderhoff
Plagiobothrys collinus var. californicus
2005 Steve Matson

Plantago erecta    California plantain,  Dotseed plantain,  Foothill plantain
native
Annual herb

PLANTAGINACEAE

Plantago erecta
2007 Carol W. Witham
Plantago erecta
2008 Margo Bors
Plantago erecta
2008 Neal Kramer

Plantago lanceolata    English plantain,  Narrow leaved plantain,  Ribgrass
invasive non-native
Perennial herb

PLANTAGINACEAE

Plantago lanceolata
2017 Gary McDonald
Plantago lanceolata
2019 Diane Etchison
Plantago lanceolata
2007 Neal Kramer

Plantago maritima    Alkali plantain,  Goose tongue,  Maritime plantain
native
Perennial herb

PLANTAGINACEAE

Plantago maritima
2002 Margo Bors
Plantago maritima
2014 Zoya Akulova
Plantago maritima
2009 Neal Kramer

Plectritis congesta    Sea blush,  Shortspur seablush
native
Annual herb

VALERIANACEAE

Plectritis congesta
2015 Aaron Schusteff
Plectritis congesta
2011 Ryan Batten
Plectritis congesta
2007 Matt Below

Pleuricospora fimbriolata    Fringed pinesap
native
Perennial herb (mycoparasitic)

ERICACEAE

Pleuricospora fimbriolata
2005 Brent Miller
Pleuricospora fimbriolata
2017 Art Clark
Pleuricospora fimbriolata
2015 David popp

Poa annua    Annual blue grass,  Annual bluegrass
non-native
Annual grass

POACEAE

Poa annua
2004 Carol W. Witham
Poa annua
2010 Neal Kramer
Poa annua
2011 Ryan Batten

Poa howellii    Howell's blue grass,  Howell's bluegrass
native
Annual grass

POACEAE

Poa howellii
2011 Christopher Bronny
Poa howellii
2018 Ken Hickman
Poa howellii
2019 John Rawlings

Poa secunda ssp. secunda    One sided blue grass,  Pine bluegrass,  Sandberg's bluegrass
native
Perennial grass

POACEAE

Poa secunda ssp. secunda
2019 Belinda Lo
Poa secunda ssp. secunda
2019 Belinda Lo
Poa secunda ssp. secunda
2019 Belinda Lo

Polygala californica    California milkwort,  Milkwort
native
Perennial herb

POLYGALACEAE

Polygala californica
2017 Gary McDonald
Polygala californica
2017 Gary McDonald
Polygala californica
2011 Ron Wolf

Polygonum punctatum    Dotted smartweed
native
Perennial herb

POLYGONACEAE

Polygonum punctatum
2014 Neal Kramer
Polygonum punctatum
2018 Ron Vanderhoff
Polygonum punctatum
2018 Ron Vanderhoff

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
2013 Neal Kramer
Polypodium californicum
2018 Chico Hiking Association
Polypodium californicum
2015 Keir Morse

Polypodium scouleri    Leather fern,  Leather leaf fern,  Leathery polypody
native
Fern

POLYPODIACEAE

Polypodium scouleri
2006 Trent M. Draper
Polypodium scouleri
2008 Neal Kramer
Polypodium scouleri
2008 Eric Wrubel

Polypogon monspeliensis    Annual beard grass,  Rabbitsfoot grass
invasive non-native
Annual grass

POACEAE

Polypogon monspeliensis
2007 Neal Kramer
Polypogon monspeliensis
2006 Steve Matson
Polypogon monspeliensis
2006 Luigi Rignanese

Polystichum californicum    California sword fern,  California swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum californicum
2018 Diane Renshaw
Polystichum californicum
2019 Hunter Breck
Polystichum californicum
2015 John Malpas

Polystichum dudleyi    Dudley's sword fern,  Dudley's swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum dudleyi
2015 Aaron E. Sims and CNPS
Polystichum dudleyi
2018 Diane Renshaw
Polystichum dudleyi
2012 John Game

Polystichum munitum    Western sword fern,  Western swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum munitum
2008 Matt Below
Polystichum munitum
Gerald and Buff Corsi 2007 California Academy of Sciences
Polystichum munitum
2008 Keir Morse

Populus balsamifera ssp. trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus balsamifera ssp. trichocarpa
2012 Zoya Akulova
Populus balsamifera ssp. trichocarpa
2014 Ron Vanderhoff
Populus balsamifera ssp. trichocarpa
2013 Jean Pawek

Potentilla anserina ssp. pacifica    Pacific potentilla,  Silverweed
native
Perennial herb

ROSACEAE

Potentilla anserina ssp. pacifica
2007 Neal Kramer
Potentilla anserina ssp. pacifica
2015 James Gonsman
Potentilla anserina ssp. pacifica
2014 James Gonsman

Pseudotsuga menziesii var. menziesii    Douglas fir,  Douglas spruce,  False hemlock
native
Tree

PINACEAE

Pseudotsuga menziesii var. menziesii
2007 Neal Kramer
Pseudotsuga menziesii var. menziesii
2011 Zoya Akulova
Pseudotsuga menziesii var. menziesii
2014 Zoya Akulova

Pteridium aquilinum var. pubescens    Hairy brackenfern,  Western bracken fern
native
Fern

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2011 Zoya Akulova

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
2015 Diane Etchison
Pterostegia drymarioides
2019 Ron Vanderhoff
Pterostegia drymarioides
2018 Ron Vanderhoff

Pyrola picta    White veined shinleaf,  White veined wintergreen,  Whitevein shinleaf
native
Perennial herb

ERICACEAE

Pyrola picta
2008 Ron Wolf
Pyrola picta
2019 Cynthia Powell
Pyrola picta
2008 Aaron Schusteff

Quercus agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia
2019 Patrick Furtado
Quercus agrifolia
2018 Diane Etchison
Quercus agrifolia
2018 Ali Sykes

Quercus chrysolepis    Canyon live oak,  Canyon oak, maul oak, goldcup oak,  Gold cup live oak
native
Tree

FAGACEAE

Quercus chrysolepis
2017 Aaron Sunshine
Quercus chrysolepis
2018 joaquin hale
Quercus chrysolepis
2018 joaquin hale

Quercus dumosa    Coastal sage scrub oak,  Nuttall's scrub oak
native
Shrub

FAGACEAE

Quercus dumosa
2014 Keir Morse
Quercus dumosa
2014 Keir Morse
Quercus dumosa
2012 Ron Vanderhoff

Quercus wislizenii    Interior live oak,  chapparal oak
native
Tree, Shrub

FAGACEAE

Quercus wislizenii
2009 Neal Kramer
Quercus wislizenii
2018 Trevor Schalla
Quercus wislizenii
2002 Julie Kierstead Nelson

Rhamnus californica    California coffeeberry
native
Shrub

RHAMNACEAE

Rhamnus californica
2019 Talila Golan
Rhamnus californica
2018 Debra L. Cook
Rhamnus californica
2001 Lynn Overtree

Rhododendron macrophyllum    California rose bay,  Coast rhododendron,  Pacific rhododendron
native
Shrub

ERICACEAE

Rhododendron macrophyllum
Gerald and Buff Corsi 2007 California Academy of Sciences
Rhododendron macrophyllum
2018 John Game
Rhododendron macrophyllum
2005 Jeremiah Easter

Rhododendron occidentale    Western azalea
native
Tree, Shrub

ERICACEAE

Rhododendron occidentale
2009 Neal Kramer
Rhododendron occidentale
2011 Jean Pawek
Rhododendron occidentale
2018 Julie Kierstead Nelson

Ribes divaricatum    Spreading gooseberry
native
Shrub

GROSSULARIACEAE

Ribes divaricatum
2011 Ryan Batten
Ribes divaricatum
2007 Neal Kramer
Ribes divaricatum
2017 Gregory Arena

Ribes menziesii    Canyon gooseberry,  Gooseberry
native
Shrub

GROSSULARIACEAE

Ribes menziesii
2006 Steve Matson
Ribes menziesii
2014 Vernon Smith
Ribes menziesii
2012 Jean Pawek

Ribes sanguineum var. glutinosum    Blood currant,  Flowering currant,  Pink flowering currant
native
Shrub

GROSSULARIACEAE

Ribes sanguineum var. glutinosum
2007 Neal Kramer
Ribes sanguineum var. glutinosum
2018 Hunter Breck
Ribes sanguineum var. glutinosum
2019 Randy Huey

Romanzoffia californica    California mistmaiden,  California romanzoffia
native
Perennial herb

BORAGINACEAE

Romanzoffia californica
2010 Aaron Schusteff
Romanzoffia californica
2002 Bart and Susan Eisenberg
Romanzoffia californica
2019 Adam Chasey

Rorippa nasturtium-aquat   


Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

Rosa californica
2018 Ron Vanderhoff
Rosa californica
2018 Ron Vanderhoff
Rosa californica
2018 Ron Vanderhoff

Rosa gymnocarpa    Dwarf rose,  Wood rose
native
Shrub

ROSACEAE

Rosa gymnocarpa
2007 Jim Battagin
Rosa gymnocarpa
2019 James Gonsman
Rosa gymnocarpa
2017 David popp

Rosa spithamea    Ground rose,  Sonoma rose
native
Shrub

ROSACEAE

Rosa spithamea
2009 Genevieve K. Walden
Rosa spithamea
2009 Barry Breckling
Rosa spithamea
2012 Aaron Arthur

Rubus parviflorus    Western thimbleberry
native
Vine, Shrub

ROSACEAE

Rubus parviflorus
2018 Chico Hiking Association
Rubus parviflorus
2019 Patrick Furtado
Rubus parviflorus
2018 Abbot Chambers

Rubus spectabilis    Salmon berry,  Salmonberry
native
Shrub

ROSACEAE

Rubus spectabilis
2009 Thomas Stoughton
Rubus spectabilis
2011 Vernon Smith
Rubus spectabilis
2013 Robert Sikora

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
2008 Keir Morse
Rubus ursinus
2008 Keir Morse
Rubus ursinus
2007 Neal Kramer

Rumex salicifolius var. crassus    Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. crassus
2011 Neal Kramer
Rumex salicifolius var. crassus
2008 Jorg Fleige
Rumex salicifolius var. crassus
2011 Neal Kramer

Sagina decumbens ssp. occidentalis    Western pearlwort
native
Annual herb

CARYOPHYLLACEAE

Sagina decumbens ssp. occidentalis
2019 Ron Vanderhoff
Sagina decumbens ssp. occidentalis
2019 Ron Vanderhoff
Sagina decumbens ssp. occidentalis
2019 Ron Vanderhoff

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
2018 Angelique Herman
Salix laevigata
2019 Barbara Brydolf
Salix laevigata
1995 Saint Mary's College of California

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
2008 Keir Morse
Salix lasiolepis
2012 Zoya Akulova
Salix lasiolepis
2016 Zoya Akulova

Salix scouleriana    Nuttall willow,  Scouler willow,  Scouler's willow
native
Tree, Shrub

SALICACEAE

Salix scouleriana
2008 Joseph Dougherty, M.D./ecology.org
Salix scouleriana
2010 Vernon Smith
Salix scouleriana
2015 Trent M. Draper

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

Salvia mellifera
2019 Diane Etchison
Salvia mellifera
2009 Keir Morse
Salvia mellifera
2018 Aaron Echols

Sambucus mexicana    Blue elderberry
native
Shrub

ADOXACEAE

Sambucus mexicana
2019 Jean B Henney
Sambucus mexicana
2019 Julian Geoghegan
Sambucus mexicana
2019 Michael Morrison

Sambucus racemosa var. racemosa    Pacific red elderberry
native
Shrub

ADOXACEAE

Sambucus racemosa var. racemosa
2007 Neal Kramer
Sambucus racemosa var. racemosa
2017 James Gonsman
Sambucus racemosa var. racemosa
2005 Louis-M. Landry

Sanicula crassicaulis    Gamble weed,  Pacific blacksnakeroot,  Pacific sanicle
native
Perennial herb

APIACEAE

Sanicula crassicaulis
2008 Steven Perry
Sanicula crassicaulis
2007 Neal Kramer
Sanicula crassicaulis
2018 MCOSD EDRR

Satureja douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Satureja douglasii
2019 Gary McDonald
Satureja douglasii
2012 Gary McDonald
Satureja douglasii
2012 Gary McDonald

Saxifraga californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Saxifraga californica
2002 Bart and Susan Eisenberg
Saxifraga californica
2010 Robert Steers/NPS
Saxifraga californica
2019 Patrick Furtado

native
Perennial grasslike herb

CYPERACEAE

Scirpus acutus var. occidentalis
2019 Steve Matson
Scirpus acutus var. occidentalis
2013 Neal Kramer
Scirpus acutus var. occidentalis
2015 Steve Matson

Scirpus americanus    Chairmaker's bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus americanus
2010 Louis-M. Landry
Scirpus americanus
2010 Neal Kramer
Scirpus americanus
2013 Neal Kramer

Scirpus californicus    California bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus californicus
2010 Steven Thorsted
Scirpus californicus
2015 Keir Morse
Scirpus californicus
2007 Neal Kramer

Scirpus cernuus    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Scirpus cernuus
2011 Neal Kramer
Scirpus cernuus
2010 Aaron Arthur
Scirpus cernuus
2018 Ron Vanderhoff

Scirpus microcarpus    Mountain bog bulrush,  Panicled bulrush,  Small fruited bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus microcarpus
2003 Steve Matson
Scirpus microcarpus
2011 Steven Perry
Scirpus microcarpus
2019 Julie Kierstead Nelson

Scoliopus bigelovii    California fetid adderstongue,  Fetid adder's toungue,  Slink pod
native
Perennial herb

LILIACEAE

Scoliopus bigelovii
2018 Saskia Raether
Scoliopus bigelovii
2019 Eliezer Margolis
Scoliopus bigelovii
2007 Neal Kramer

Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica
2019 Ron Vanderhoff
Scrophularia californica
2018 Stacie Wolny
Scrophularia californica
2019 Cynthia Powell

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

Scutellaria tuberosa
2012 Ron Vanderhoff
Scutellaria tuberosa
2018 Stacie Wolny
Scutellaria tuberosa
2009 Keir Morse

Sedum spathulifolium    Broadleaf stonecrop,  Pacific stonecrop,  Stone crop
native
Perennial herb

CRASSULACEAE

Sedum spathulifolium
2019 Chico Hiking Association
Sedum spathulifolium
2019 Chico Hiking Association
Sedum spathulifolium
2019 Chico Hiking Association

Senecio aronicoides    California butterweed,  California groundsel,  California rayless butterweed
native
Perennial herb

ASTERACEAE

Senecio aronicoides
2019 Chico Hiking Association
Senecio aronicoides
2019 Chico Hiking Association
Senecio aronicoides
2018 Ken Hickman

Senecio flaccidus var. douglasii    Bush groundsel,  Bush senecio,  Douglas' groundsel
native
Shrub

ASTERACEAE

Senecio flaccidus var. douglasii
2019 Ron Vanderhoff
Senecio flaccidus var. douglasii
2007 Neal Kramer
Senecio flaccidus var. douglasii
2018 Richard Spjut

Sequoia sempervirens    Coast redwood
native
Tree

CUPRESSACEAE

Sequoia sempervirens
Gerald and Buff Corsi 1999 California Academy of Sciences
Sequoia sempervirens
2019 Patrick Furtado
Sequoia sempervirens
2019 Patrick Furtado

Silene antirrhina    Sleepy catch fly,  Sleepy catchfly,  Sleepy silene
native
Annual herb

CARYOPHYLLACEAE

Silene antirrhina
2019 Ken Hickman
Silene antirrhina
2019 Ken Hickman
Silene antirrhina
2011 Neal Kramer

Silene verecunda ssp. verecunda    Dolores campion,  San francisco campion
native
Perennial herb

CARYOPHYLLACEAE

Silene verecunda ssp. verecunda
2010 Sangeet Khalsa
Silene verecunda ssp. verecunda
2012 Michael Perlmutter
Silene verecunda ssp. verecunda
2009 Thomas Stoughton

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
2019 Stacie Wolny
Sisyrinchium bellum
2019 Stacie Wolny
Sisyrinchium bellum
2019 Stacie Wolny

Smilacina racemosa    Feathery false lily of the valley
native
Perennial herb

RUSCACEAE

Smilacina racemosa
2015 Stephen Rosenthal
Smilacina racemosa
2019 Matt Berger
Smilacina racemosa
2019 Stacie Wolny

Smilacina stellata    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Smilacina stellata
2019 Adam Chasey
Smilacina stellata
2019 Adam Chasey
Smilacina stellata
2010 Keir Morse

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum
2017 Ken Lunders
Solanum umbelliferum
2015 Garth Wadsworth
Solanum umbelliferum
2015 Dee Warenycia

Solidago californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago californica
2018 Rebecca Schoenenberger
Solidago californica
2017 Hilary Mills
Solidago californica
2017 Hilary Mills

Soliva sessilis    Common soliva,  Field burrweed,  South american soliva
non-native
Annual herb

ASTERACEAE

Soliva sessilis
2007 Carol W. Witham
Soliva sessilis
2006 Steve Matson
Soliva sessilis
2010 Robert Steers/NPS

Spartina foliosa    California cord grass,  California cordgrass,  Pacific cordgrass
native
Perennial grass

POACEAE

Spartina foliosa
2011 Sangeet Khalsa
Spartina foliosa
2017 MCOSD EDRR
Spartina foliosa
2009 Neal Kramer

Stachys ajugoides var. rigida    Rigid hedge nettle
native
Perennial herb

LAMIACEAE

Stachys ajugoides var. rigida
2008 Keir Morse
Stachys ajugoides var. rigida
2008 Keir Morse
Stachys ajugoides var. rigida
2008 Keir Morse

Stachys bullata    California hedge nettle,  California hedgenettle,  Southern hedge nettle
native
Perennial herb

LAMIACEAE

Stachys bullata
2018 Sheila Lodge
Stachys bullata
2019 Randy Huey
Stachys bullata
2009 Keir Morse

Stellaria nitens    Shining chickweed,  Shiny chickweed,  Smooth chickweed
native
Annual herb

CARYOPHYLLACEAE

Stellaria nitens
2007 Keir Morse
Stellaria nitens
2010 Barry Breckling
Stellaria nitens
2005 Keir Morse

Symphoricarpos albus var. laevigatus    Common snowberry,  Upright snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos albus var. laevigatus
2015 Robert Sikora
Symphoricarpos albus var. laevigatus
2018 Mary Conway
Symphoricarpos albus var. laevigatus
2018 Mary Conway

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis
2019 Chico Hiking Association
Symphoricarpos mollis
2003 Steve Matson
Symphoricarpos mollis
2019 Ron Vanderhoff

Taraxacum officinale    Common dandelion,  Dandelion,  Red seeded dandelion
invasive non-native
Perennial herb

ASTERACEAE

Taraxacum officinale
2001 Nick Kurzenko
Taraxacum officinale
2018 Chico Hiking Association
Taraxacum officinale
2016 John Doyen

Thysanocarpus laciniatus    Common lace pod,  Mountain fringepod,  Narrow leaved fringe pod
native
Annual herb

BRASSICACEAE

Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2008 Keir Morse

Tiarella trifoliata var. unifoliata    Oneleaf foamflower,  Sugarscoop
native
Perennial herb

SAXIFRAGACEAE

Tiarella trifoliata var. unifoliata
2010 Keir Morse
Tiarella trifoliata var. unifoliata
2011 Ron Wolf
Tiarella trifoliata var. unifoliata
2017 James Gonsman

Torreya californica    California nutmeg,  California torreya
native
Tree

TAXACEAE

Torreya californica
2006 George W. Hartwell
Torreya californica
2012 Belinda Lo
Torreya californica
2018 Mary Conway

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
2011 Robert A. Hamilton
Toxicodendron diversilobum
2008 Keir Morse
Toxicodendron diversilobum
2008 Zoya Akulova

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

Trichostema lanceolatum
2019 Patrick Furtado
Trichostema lanceolatum
2018 Ron Vanderhoff
Trichostema lanceolatum
2016 Nathan Mudry

Trientalis latifolia    Pacific starflower
native
Perennial herb

MYRSINACEAE

Trientalis latifolia
2019 Jacob Smith
Trientalis latifolia
2019 Marisa Persaud
Trientalis latifolia
2019 Jacob Smith

Trifolium albopurpureum var. dichotomum    Branched indian clover
native
Annual herb

FABACEAE

Trifolium albopurpureum var. dichotomum
2008 Keir Morse
Trifolium albopurpureum var. dichotomum
2007 Neal Kramer
Trifolium albopurpureum var. dichotomum
2007 Neal Kramer

native
Annual herb

FABACEAE

Trifolium barbigerum var. andrewsii
2007 Neal Kramer
Trifolium barbigerum var. andrewsii
2010 Vernon Smith
Trifolium barbigerum var. andrewsii
2013 Vernon Smith

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum
2019 Rachelle Gray
Trifolium ciliolatum
2019 Rachelle Gray
Trifolium ciliolatum
2009 Keir Morse

Trifolium microcephalum    Hairy clover,  Maiden clover,  Small headed clover
native
Annual herb

FABACEAE

Trifolium microcephalum
2019 Ron Vanderhoff
Trifolium microcephalum
2018 Glen Schneider
Trifolium microcephalum
2005 Steve Matson

Trifolium oliganthum    Few flowered clover,  Fewflower clover,  Minitomcat clover
native
Annual herb

FABACEAE

Trifolium oliganthum
2007 Carol W. Witham
Trifolium oliganthum
2015 Aaron Schusteff
Trifolium oliganthum
2008 Zoya Akulova

Trifolium subterraneum    Sub clover,  Subterranean clover
non-native
Annual herb

FABACEAE

Trifolium subterraneum
2008 Jennifer Buck
Trifolium subterraneum
2008 Neal Kramer
Trifolium subterraneum
2019 Matt Berger

Trifolium variegatum    Variegated clover,  White tipped clover,  Whitetip clover
native
Annual herb

FABACEAE

Trifolium variegatum
2004 Carol W. Witham
Trifolium variegatum
2018 Chico Hiking Association
Trifolium variegatum
2011 Dylan Neubauer

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
2018 Stacie Wolny
Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2018 Stacie Wolny

Trillium chloropetalum    Common trillium,  Giant wakerobin,  Trillium
native
Perennial herb

MELANTHIACEAE

Trillium chloropetalum
2019 Adam Chasey
Trillium chloropetalum
2018 Mary Conway
Trillium chloropetalum
2019 Adam Chasey

Trillium ovatum    Pacific trillium,  Wake robin,  Western trillium
native
Perennial herb

MELANTHIACEAE

Trillium ovatum
2018 Blair Pubols
Trillium ovatum
2018 Blair Pubols
Trillium ovatum
2018 MCOSD EDRR

Triodanis biflora    Venus looking glass,  Venus' looking glass
native
Annual herb

CAMPANULACEAE

Triodanis biflora
2007 Neal Kramer
Triodanis biflora
2015 Aaron Schusteff
Triodanis biflora
2003 Jim Rocks

Trisetum cernuum    Nodding oatgrass,  Nodding trisetum
native
Perennial grass

POACEAE

Trisetum cernuum
2011 Steve Matson
Trisetum cernuum
2011 Steve Matson
Trisetum cernuum
2011 Steve Matson

Triteleia laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

Triteleia laxa
2007 Neal Kramer
Triteleia laxa
2019 Stacie Wolny
Triteleia laxa
2019 Chico Hiking Association

Typha angustifolia    Nail rod,  Narrow leaf cattail,  Narrowleaf cattail
non-native
Perennial herb (aquatic)

TYPHACEAE

Typha angustifolia
2018 Cynthia Powell
Typha angustifolia
2005 Louis-M. Landry
Typha angustifolia
2019 Ron Vanderhoff

Typha latifolia    Broadleaf cattail,  Common cattail,  Soft flag
native
Perennial herb (aquatic)

TYPHACEAE

Typha latifolia
2007 Neal Kramer
Typha latifolia
2004 Steve Matson
Typha latifolia
2015 Keir Morse

Umbellularia californica    Bay laurel,  California bay,  California laurel, bay tree
native
Tree

LAURACEAE

Umbellularia californica
2018 David popp
Umbellularia californica
2015 Diane Etchison
Umbellularia californica
2003 Michael Charters

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi
2018 Ron Vanderhoff
Uropappus lindleyi
2017 Diane Etchison
Uropappus lindleyi
2019 Carl Mautner

Urtica dioica ssp. gracilis    American stinging nettle,  California nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. gracilis
2009 Margo Bors
Urtica dioica ssp. gracilis
2009 Margo Bors
Urtica dioica ssp. gracilis
2007 Matt Below

Urtica dioica ssp. holosericea    Giant creek nettle,  Hoary nettle,  Mountain nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. holosericea
2017 Ron Vanderhoff
Urtica dioica ssp. holosericea
2019 Bonnie Nickel
Urtica dioica ssp. holosericea
2013 Neal Kramer

Vaccinium ovatum    California huckleberry,  Evergreen huckleberry
native
Shrub

ERICACEAE

Vaccinium ovatum
2017 James Gonsman
Vaccinium ovatum
2005 Brian L. Anacker
Vaccinium ovatum
2008 Zoya Akulova

Vaccinium parvifolium    California red huckleberry,  Red bilberry, red huckleberry
native
Shrub

ERICACEAE

Vaccinium parvifolium
2014 Jean Pawek
Vaccinium parvifolium
2008 Trent M. Draper
Vaccinium parvifolium
2010 Julie Kierstead Nelson

Vancouveria planipetala    Inside out flower,  Redwood insideout flower,  Redwood ivy
native
Perennial herb

BERBERIDACEAE

Vancouveria planipetala
2013 Robert Sikora
Vancouveria planipetala
2018 Mary Conway
Vancouveria planipetala
2019 Jacob Smith

Vicia americana var. americana    American vetch
native
Perennial herb, Vine

FABACEAE

Vicia americana var. americana
2008 Neal Kramer
Vicia americana var. americana
2011 Barry Breckling
Vicia americana var. americana
2008 Steve Matson

Vicia gigantea    Giant vetch
native
Perennial herb

FABACEAE

Vicia gigantea
2013 James Gonsman
Vicia gigantea
2019 Cynthia Powell
Vicia gigantea
2006 Steve Matson

Vinca major    Bigleaf periwinkle,  Greater periwinkle,  Vinca
invasive non-native
Perennial herb

APOCYNACEAE

Vinca major
2018 Ron Vanderhoff
Vinca major
2007 Luigi Rignanese
Vinca major
2004 Dr. Amadej Trnkoczy

Viola ocellata    Pinto violet,  Twoeyed violet,  Western heart's ease
native
Perennial herb

VIOLACEAE

Viola ocellata
2019 Mary Conway
Viola ocellata
2018 Stacie Wolny
Viola ocellata
2018 Stacie Wolny

Viola sempervirens    Evergreen violet,  Redwood violet
native
Perennial herb

VIOLACEAE

Viola sempervirens
2018 Saskia Raether
Viola sempervirens
2019 Julian Geoghegan
Viola sempervirens
Gerald and Buff Corsi 2004 California Academy of Sciences

Vulpia bromoides    Brome fescue
non-native
Annual grass

POACEAE

Vulpia bromoides
2008 Keir Morse
Vulpia bromoides
2012 Aaron Arthur
Vulpia bromoides
2012 Robert Steers/NPS

native
Annual grass

POACEAE

Vulpia microstachys var. ciliata
2008 Keir Morse
Vulpia microstachys var. ciliata
2004 Robert E. Preston, Ph.D.
Vulpia microstachys var. ciliata
2011 Steve Matson

native
Annual grass

POACEAE

Vulpia microstachys var. microstachys
2008 Keir Morse
Vulpia microstachys var. microstachys
2004 Robert E. Preston, Ph.D.
Vulpia microstachys var. microstachys
2011 Steve Matson

Vulpia myuros var. hirsuta    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Vulpia myuros var. hirsuta
2015 Gary McDonald
Vulpia myuros var. hirsuta
2013 Al Keuter
Vulpia myuros var. hirsuta
2013 Al Keuter

Vulpia octoflora    Sixweeks grass
native
Annual grass

POACEAE

Vulpia octoflora
2009 Neal Kramer
Vulpia octoflora
2013 Robert Steers/NPS
Vulpia octoflora
2005 Steve Matson

Whipplea modesta    Modesty,  Whipplea,  Whipplevine
native
Vine, Shrub

HYDRANGEACEAE

Whipplea modesta
2013 Lynn Watson
Whipplea modesta
2019 Cynthia Powell
Whipplea modesta
2015 Zoya Akulova

Woodwardia fimbriata    Chain fern,  Giant chain fern,  Giant chainfern
native
Fern

BLECHNACEAE

Woodwardia fimbriata
2009 John W. Wall
Woodwardia fimbriata
2003 Keir Morse
Woodwardia fimbriata
2019 Julie Kierstead Nelson

Xerophyllum tenax    Common beargrass
native
Perennial herb

MELANTHIACEAE

Xerophyllum tenax
2019 Industrious Walkers of the World
Xerophyllum tenax
2018 Eliezer Margolis
Xerophyllum tenax
2018 Eliezer Margolis

Zigadenus fremontii    Fremont's star lily,  Fremont's death camas
native
Perennial herb

MELANTHIACEAE

Zigadenus fremontii
2019 Dee Shea Himes
Zigadenus fremontii
2017 Kristin Sabo
Zigadenus fremontii
2009 Neal Kramer